STONE in ARIZONA an Economic Study Prepared for ARIZONA DEVELOPMENT BOARD
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STONE IN ARIZONA An Economic Study prepared for ARIZONA DEVELOPMENT BOARD by Roland C. Townsend Consulting Geologist Phoenix, Arizona THE ARIZONA DEVELOPMENT BOARD 1521 West Jefferson Street Phoenix, Arizona PIERRE BAFFERT BERNARD M. MERGEN Chairman Director Santa Cruz County ARLO WOOLERY M. E. HAFLEY Cochise County Mohave County W. D. JAMES Coconino ROYALL SMITH County Navajo County EDWIN D. SMITH HAROLD A. PATTEN Gila County Pima County J. GREEN PAUL LOUCKS Graham County Pinal County C. C. RILEY LEONARD SEXTON Greenlee County Yavapai County DAVID R. MURDOCK HENRY F. COLMAN Maricopa County Yuma County HARVEY PLATT Apache County CONTENTS Page Acknowledgments • 4 II Introduction --- 5 III General 6 A History 6 B Present uses 7 C Industry economic status ............... 7 D Exploration 7 E Production and values . 8 IV Resources • 9 A Sandstone 9 1. Geology and areal extent, Coconino sandstone 9 2. Structure • 10 3. Composition and physical character 10 4. Production 11 5. Shipping - 14 6. Costs 14 7. Specifications, products, trends in use 14 8. Problems 15 9. Moenkopi formation 16 10. DeChelly sandstone - - - - - - - - - - - - - - - - - - - - - - - - - - - -- 16 B Marble -• - -- -- -- -- -- -- -- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 16 1. Geology and areal extent 16 2. Composition and physical character 20 3. Production, products, shipping, and costs 21 4. Specifications and trends 23 5. Problems ...... .....- 23 C Tuff - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - .................... 25 ................................................1. Terminology and general geology 25 2. Character of representative deposits 28 3. Production ... 29 4. Problems 29 D Granite .--- .-. 31 E Slate ....--- 32 F Limestone - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 33 G Schist ...... ...._. 34 H Miscellaneous stone - - - - - - - - - - - - - - - - - - - - - - - - - - 34 1. Rhyolite and porphyry 34 2. Basalt and scoria . .--- 35 3. Travertine, tufa, and onyx marble 36 4. Quartzite and quartz 37 5. Jasper - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 38 6. Copper stained rock - - - - - - - - - - - - - - - - - - - - - - - ._...--• 38 7...-.. Magnesite 38 8. Serpentine - - - - - - - - - - - - - - - - - - - - - - - - .. 38 CONTENTS Page V Available Stone — Land Status and Acquisition of Mining Rights - - - - - - 38 VI Transportation and Freight Rates .......................................................................40 A Railroads - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - . - 41 B Trucking - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 41 VII Labor Market - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 42 VIII Depletion Allowance, Taxes, and Insurance ......................................................... 42 IX Potential - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 43 X Glossary - - - - - - - - - - - - - ...... - - - - - - - - - - - - - - - - - - - - - .....-... - ... - 46 XI Annotated Bibliography - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 48 XII Agencies Concerned With Stone Industry .............................................................. 50 Map—Showing quarry sites and major transportation routes I. ACKNOWLEDGMENTS In preparing this report, many quarry operators and stone producers were con- tacted. Not a single one refused aid or data; each has contributed information about his experience in the stone industry, making the report possible. Use of specific data is noted in the report. In addition, several state and federal agencies made avail-able both time and information. Mr. Louis Smith and others on the staff of the Arizona Department of Mineral Resources provided valuable data on quarry locations and production. Mr. H. Wesley Peirce of the Arizona Bureau of Mines gave many valuable suggestions. Mr. Frederick C. Ryan of the Arizona State Land Department provided helpful data. Mr. Dee E. Reese and Miss Wilma Richard of the Arizona State Employment Service gave helpful data on the labor market. Also, in-formation on transportation was given freely by Mr. Hans M. Kruesl, Watson Bros. Transportation Co., Inc., Mr. Donald B. Malcolm, The Atchison, Topeka & Santa Fe Ry. Co., and Mr. C. F. Head, Southern Pacific Company. 4 II INTRODUCTION The natural beauty of rock formations in Arizona is famed the world around. No wonder, then, that with the tremendous population growth in the west, stone pro- ducers and users are looking to Arizona for sources to supply the ever-increasing mar- ket. All of the principle types of building stone, and many unique varieties are avail- able within this one state. The purpose of this report is to draw together known data on occurrences of stone, present production techniques and problems, types and varieties of available stone, markets, labor and land conditions, and the general potential of the stone in- dustry in Arizona. Thus, the report is primarily an economic study. Data on building stone, landscaping stone, and crushed rock used in building for its decorative purpose are included; aggregate, ballast, rip rap, etc. are not included. Compilation of com- plete data on as widespread and varied an industry as this would probably be im- practical at this time. Therefore, an annotated bibliography has been included; ref- erence numbers in the text indicate items in the bibliography. Reference is also made to the state and federal agencies that can provide additional data. It is hoped that this report is sufficiently detailed to show basic trends, economics, and potential to both the present producers and those considering participation in this industry. Data have been gathered from many sources. A map is included showing by symbol the general location of many active and inactive quarries, as well as unworked prospects known to have a good potential. Over the years some stone deposits have been worked intermittently by various persons; an absolute count and check of re- ported locations has been unfeasable for this report. In some places several quarries are located within an area that must be represented by only a single symbol. Under such circumstances, omissions or errors in location are both unintentional and un- avoidable. 5 III GENERAL HISTORY comprehension, compounding building needs. Stone is doubtless the world's earliest and old- Third, new equipment became available, from est building material, prized through the ages for power machines in quarries to guillotine cutters its strength and durability, for its adaptability to in stone yards, to high speed, economical trucks both simple and sophisticated construction needs, on new highways. At the same time, cross-country and for its decorative qualities. Trends in use have freight rates climbed, hampering shipping to the been determined by accessibility and local needs, west from traditional stone sources in the east. transportation, changing construction and stone While these factors may diminish somewhat, their production methods, and by current fashions. Ari- continuing effect at a steady rate will tend to sta- zona stone has been used since the earliest settle- bilize the stone industry. ment of the state. Until 1946, commercial produc- Immediateley after the war, building needs tion was intermittent, with local projects and use were simple, and were met with available mate- being dominant. Quarries were opened for tempo- rials. As the construction gap began to close, new rary markets or individual jobs, then virtually building techniques, materials and styles made abandoned. stone popular. Aluminum and glass enjoyed novel After World War II, several new factors con- uses, and steel in concrete changed structural re- tributed simultaneously to the development of the quirements. By themselves they are efficient, but Arizona stone industry. First, a building boom they tend to give a hard, cold appearance. Natural necessarily followed the war. Second, population stone was found to give texture and warmth to in west coast areas and in Arizona increased beyond structures. So the age-old concept of stone used Section of field stone in a wall of cast slabs with exposed aggregate. 6 primarily structurally, changed to use of stone as a 8. Monuments facing or curtain wall, and use in places where its 9. Fireplaces and fireboxes decorative qualities are paramount but durability, 10. Landscaping — ground cover, uncut and strength, and low maintenance are also desired. crushed In addition, use of uncut and of crushed stone 11. Landscaping — planters, edging 12. Fines — aggregate, swimming pool copings increased. New building methods now allow for low and plaster pitched roofs with crushed stone coatings, and highly decorative and efficient uses of terrazo have become INDUSTRY ECONOMIC STATUS popular. Style changes have introduced exposed Basically, growth of the stone industry is de- aggregate, again combining the structural factors pendent on the construction industry, and in turn, on with decorative qualities. Fashions in landscaping population growth. The full potential of the state's have sent prospectors to the hills for sources of resources, and the most fficient production are flagstone, rubble, and crushed rock for walks, realized when a stable m rket of a size able to driveways, and gardens. Fines from crushing warrant substantial capita investment